US3723322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detergent compositions containing carboxylated polysaccharide builders
Assignee: Procter and Gamble Co
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Filing: 1969-02-25
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Granted: 1973-03-27
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Expires: 1989-02-25
Abstract
Abstract DETERGENT AND LAUNDERING COMPOSITIONS COMPRISING AN ORGANIC WATER-SOLUBLE SYNTHETIC DETERGENT AND A WATERSOLUBLE CARBOXYLATED ALIGINIC ACID BUILDER IN A PROPOTION BY WEIGHT OF 10:1 TO ABOUT 1:20; THE CARBOXYLATED BUILDER HAVING A DEGREE OF SUBSTITUTION OF 1.3 TO 2.0, AN EQUIVALENT WEIGHT OF 97 TO 185, A DEGREE OF POLYMERIZATION OF 20 TO 30.000 AND A MOLECULAR WEIGHT OF 4,000 TO 5,000,000
Inventors
- 👤 F Diehl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:39
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/20; C11D3/22; C11D3/222
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-03-26 | 1976-09-25 | 1977-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-26 | 1980-09-25 | 1981-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-26 | 1984-09-25 | 1985-03-27 | $7700.00 | Window Closed / Lapsed |